Question about Acer Computers & Internet

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It seems that you have a UK keyboard layout.

To change your keyboard layout to a US keyboard layout follow the instructions in this site: How to **change** **keyboard** language in Windows

Hope this helps.

Posted on Mar 31, 2011

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Posted on Jan 02, 2017

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Put your finger right below the 'K' and 'L' buttons on the keyboard. If you have 'Shift' held down, you'll get '<,' but if not, the comma you've been seeking should appear.

If not, reinstall your drivers, then turn it off and back on again.

If not, reinstall your drivers, then turn it off and back on again.

Aug 30, 2012 | Office Equipment & Supplies

Syntax is **$( function,lower bound,upper bound) =**

Press the Integral key. $(

Type in the function eg. sin

Type the variable: SHIFT ) to enter X

Type in a comma separator ,

Type in the lower bound of the integral

Type in a comma separator ,

Type in the upper bound

Close the right parenthesis )

Press = to get the result.

Note: You have to wait for the calculator to return with the answer. Some calculations may require time to perfor.

Press the Integral key. $(

Type in the function eg. sin

Type the variable: SHIFT ) to enter X

Type in a comma separator ,

Type in the lower bound of the integral

Type in a comma separator ,

Type in the upper bound

Close the right parenthesis )

Press = to get the result.

Note: You have to wait for the calculator to return with the answer. Some calculations may require time to perfor.

Jan 11, 2012 | Casio Office Equipment & Supplies

Here it is

The syntax of the command is

where function is the expression you are differentiating

x is the value of variable x at which you are evaluating the derivative, and tol is the tolerance (the error) you are willing to tolerate in the result.

If you do not want to specify a tolerance just omit the last comma and tol.

To enter the command d/dx you use key sequence [SHIFT][Integral]

To enter the symbol x in the expression you press [ALPHA][ ) ]

To enter a comma you use [SHIFT] [ ) ]

To enter a power of 10 in the tolerance use [x10^X] key

Example : Calculate

The key sequence is as follows

[SHIFT] [Integral] 3 [ALPHA] [ ) ] [X^2] [-] 5 [ALPHA] [ ) ] +2 [SHIFT] [ ) ] 2 [SHIFT] [ ) ] 1 [x10^X] [(-)] 12 ) [=]

DO NOT confuse [SHIFT] [ ) ] which enters the comma and [ALPHA] [ ) ] which enters the variable X.

The syntax of the command is

where function is the expression you are differentiating

x is the value of variable x at which you are evaluating the derivative, and tol is the tolerance (the error) you are willing to tolerate in the result.

If you do not want to specify a tolerance just omit the last comma and tol.

To enter the command d/dx you use key sequence [SHIFT][Integral]

To enter the symbol x in the expression you press [ALPHA][ ) ]

To enter a comma you use [SHIFT] [ ) ]

To enter a power of 10 in the tolerance use [x10^X] key

Example : Calculate

The key sequence is as follows

[SHIFT] [Integral] 3 [ALPHA] [ ) ] [X^2] [-] 5 [ALPHA] [ ) ] +2 [SHIFT] [ ) ] 2 [SHIFT] [ ) ] 1 [x10^X] [(-)] 12 ) [=]

DO NOT confuse [SHIFT] [ ) ] which enters the comma and [ALPHA] [ ) ] which enters the variable X.

Jun 29, 2011 | Casio FX-115ES Scientific Calculator

Here is an example. Instead of SIN(X) insert your polynomials.

The syntax of the command is

where function is the expression you are differentiating

x is the value of variable x at which you are evaluating the derivative, and tol is the tolerance (the error) you are willing to tolerate in the result.

If you do not want to specify a tolerance just omit the last comma and tol.

To enter the command d/dx you use key sequence [SHIFT][Integral]

To enter the symbol x in the expression you press [ALPHA][ ) ]

To enter a comma you use [SHIFT] [ ) ]

To enter a power of 10 in the tolerance use [x10^X] key

Example : Calculate

The key sequence is as follows

[SHIFT] [Integral] 3 [ALPHA] [ ) ] [X^2] [-] 5 [ALPHA] [ ) ] +2 [SHIFT] [ ) ] 2 [SHIFT] [ ) ] 1 [x10^X] [(-)] 12 ) [=]

DO NOT confuse [SHIFT] [ ) ] which enters the comma and [ALPHA] [ ) ] which enters the variable X.

The syntax of the command is

where function is the expression you are differentiating

x is the value of variable x at which you are evaluating the derivative, and tol is the tolerance (the error) you are willing to tolerate in the result.

If you do not want to specify a tolerance just omit the last comma and tol.

To enter the command d/dx you use key sequence [SHIFT][Integral]

To enter the symbol x in the expression you press [ALPHA][ ) ]

To enter a comma you use [SHIFT] [ ) ]

To enter a power of 10 in the tolerance use [x10^X] key

Example : Calculate

The key sequence is as follows

[SHIFT] [Integral] 3 [ALPHA] [ ) ] [X^2] [-] 5 [ALPHA] [ ) ] +2 [SHIFT] [ ) ] 2 [SHIFT] [ ) ] 1 [x10^X] [(-)] 12 ) [=]

DO NOT confuse [SHIFT] [ ) ] which enters the comma and [ALPHA] [ ) ] which enters the variable X.

May 28, 2011 | Casio FX-115ES Scientific Calculator

You have two buttons to calculate powers: The [x^2] calculates the square of a number while the [caret ^] key allows you to calculate any power, be it with integer, fraction or negative exponent.

Both keys are next to one another, one below OPTN and the other below the VARS key.

To calculate roots, you have the square root [SHIFT][x^2] the xroot key [SHIFT] [caret ^] , the CUBE root [SHIFT] [(] , and the inverse key [SHIFT][).

Both keys are next to one another, one below OPTN and the other below the VARS key.

To calculate roots, you have the square root [SHIFT][x^2] the xroot key [SHIFT] [caret ^] , the CUBE root [SHIFT] [(] , and the inverse key [SHIFT][).

Feb 28, 2011 | Casio FX9750GII Graphic Calculator

The syntax of the command is

where function is the expression you are differentiating

x is the value of variable x at which you are evaluating the derivative, and tol is the tolerance (the error) you are willing to tolerate in the result.

If you do not want to specify a tolerance just omit the last comma and tol.

To enter the command d/dx you use key sequence [SHIFT][Integral]

To enter the symbol x in the expression you press [ALPHA][ ) ]

To enter a comma you use [SHIFT] [ ) ]

To enter a power of 10 in the tolerance use [x10^X] key

Example : Calculate

The key sequence is as follows

[SHIFT] [Integral] 3 [ALPHA] [ ) ] [X^2] [-] 5 [ALPHA] [ ) ] +2 [SHIFT] [ ) ] 2 [SHIFT] [ ) ] 1 [x10^X] [(-)] 12 ) [=]

DO NOT confuse [SHIFT] [ ) ] which enters the comma and [ALPHA] [ ) ] which enters the variable X

where function is the expression you are differentiating

x is the value of variable x at which you are evaluating the derivative, and tol is the tolerance (the error) you are willing to tolerate in the result.

If you do not want to specify a tolerance just omit the last comma and tol.

To enter the command d/dx you use key sequence [SHIFT][Integral]

To enter the symbol x in the expression you press [ALPHA][ ) ]

To enter a comma you use [SHIFT] [ ) ]

To enter a power of 10 in the tolerance use [x10^X] key

Example : Calculate

The key sequence is as follows

[SHIFT] [Integral] 3 [ALPHA] [ ) ] [X^2] [-] 5 [ALPHA] [ ) ] +2 [SHIFT] [ ) ] 2 [SHIFT] [ ) ] 1 [x10^X] [(-)] 12 ) [=]

DO NOT confuse [SHIFT] [ ) ] which enters the comma and [ALPHA] [ ) ] which enters the variable X

Oct 29, 2010 | Casio FX-115ES Scientific Calculator

No! Your calculator is not broken. However you are not using the EE button correctly, or you are not aware of its meaning.

The EE key is a shortcut for 10 to a power and the 10 is already included.

Here is an example.To enter the [EE] you use [SHIF][,] where the comma [,] is the key between [SIN] and [7] in the column under [MODE]. To enter a negative exponent you use the change sign key (-), the one at the bottom of keypad below 3 and to the right of the decimal mark [.]

To enter 54.2 x10^(-3) you type in 54.2[,] [(-)]3

To enter 37x10^(9) you type in 37[SHIFT] [,]]9

The correct result is 2.0054x10^9 and your calculator will show you 2.0054E9

However by typing in 54.2*10[EE]-3 your are in fact entering 54.2x10x10^(-3) and by typing 37*10[EE]9 you are entering 37*10*10^9 and your final result is in fact multiplied by 100, hence the value you are getting 2.0054E11

The EE key is a shortcut for 10 to a power and the 10 is already included.

Here is an example.To enter the [EE] you use [SHIF][,] where the comma [,] is the key between [SIN] and [7] in the column under [MODE]. To enter a negative exponent you use the change sign key (-), the one at the bottom of keypad below 3 and to the right of the decimal mark [.]

To enter 54.2 x10^(-3) you type in 54.2[,] [(-)]3

To enter 37x10^(9) you type in 37[SHIFT] [,]]9

The correct result is 2.0054x10^9 and your calculator will show you 2.0054E9

However by typing in 54.2*10[EE]-3 your are in fact entering 54.2x10x10^(-3) and by typing 37*10[EE]9 you are entering 37*10*10^9 and your final result is in fact multiplied by 100, hence the value you are getting 2.0054E11

Aug 29, 2010 | Texas Instruments TI-83 Plus Calculator

The syntax of the command is

where function is the expression you are differentiating

x is the value of variable x at which you are evaluating the derivative, and tol is the tolerance (the error) you are willing to tolerate in the result.

If you do not want to specify a tolerance just the last comma and tol.

To enter the command d/dx you use key sequence [SHIFT][Integral]

To enter the symbol x in the expression you press [ALPHA][ ) ]

To enter a comma you use [SHIFT] [ ) ]

To enter a power of 10 in the tolerance use [x10^X] key

Example : Calculate

The key sequence is as follows

[SHIFT] [Integral] 3 [ALPHA] [ ) ] [X^2] [-] 5 [ALPHA] [ ) ] +2 [SHIFT] [ ) ] 2 [SHIFT] [ ) ] 1 [x10^X] [(-)] 12 ) [=]

DO NOT confuse [SHIFT] [ ) ] which enters the comma and [ALPHA] [ ) ] which enters the variable X

where function is the expression you are differentiating

x is the value of variable x at which you are evaluating the derivative, and tol is the tolerance (the error) you are willing to tolerate in the result.

If you do not want to specify a tolerance just the last comma and tol.

To enter the command d/dx you use key sequence [SHIFT][Integral]

To enter the symbol x in the expression you press [ALPHA][ ) ]

To enter a comma you use [SHIFT] [ ) ]

To enter a power of 10 in the tolerance use [x10^X] key

Example : Calculate

The key sequence is as follows

[SHIFT] [Integral] 3 [ALPHA] [ ) ] [X^2] [-] 5 [ALPHA] [ ) ] +2 [SHIFT] [ ) ] 2 [SHIFT] [ ) ] 1 [x10^X] [(-)] 12 ) [=]

DO NOT confuse [SHIFT] [ ) ] which enters the comma and [ALPHA] [ ) ] which enters the variable X

Aug 27, 2010 | Casio FX-115ES Scientific Calculator

If you want to get an answer like 1/2X for d/dx(X^2), you will have to
purchase a CAS calculator like Casio's Algebra FX-2 or Classpad. TI series calculators also have CAS.

However, you can calculate the numerical values of derivatives and integrals only.

To calculate the value of a proper integral:

**∫**xdx from 0 to 2, input as follows:

**∫**dx(X,0,2)

To calculate derivative at a point:

SHIFT+**∫**dx key X^2,3)

Display looks like this: d/dx(X^2,3).

However, you can calculate the numerical values of derivatives and integrals only.

To calculate the value of a proper integral:

- Press the 'ON' key;
- Press the Integral key ;
- Enter your expression (example X^2+X-3 etc);
- Press the 'comma' key after your expression;
- Input the first limit after comma, input comma again after first limit;
- Close brackets;
- Press the equals key, display may return after a while with the answer.

To calculate derivative at a point:

- Press Shift and then the integration key.
- Enter your function;
- Input comma;
- input the point at which you want to evaluate the derivative;
- Close bracket and press enter.

SHIFT+

Display looks like this: d/dx(X^2,3).

Oct 23, 2009 | Casio FX-300MS Calculator

I had the same problem. When I pressed shift and that comma key I got a " instead of a @.

I looked to see what on the leyboard you normally press to get a " and that's the number 2 key.

Tried pressing shift and the 2 key and hey presto, I got a @.

So it looks like @ and " have swapped places.

So shift and 2 for a @!

Lizzie H

I looked to see what on the leyboard you normally press to get a " and that's the number 2 key.

Tried pressing shift and the 2 key and hey presto, I got a @.

So it looks like @ and " have swapped places.

So shift and 2 for a @!

Lizzie H

Oct 24, 2008 | Computers & Internet

132 people viewed this question

Usually answered in minutes!

Did you spill something on the Keyboard? Is the Keyboard dirty? Since the @ and # are next to each other on the numbers keys, that leads me to think that some thing is shorting the two keys. Buy a can of compressed air and blow under the keys(if it is dirt or dust that is causing this) If something has spilled on it, then it may need to be clean by a tech.

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